civicrm_entity.routing.yml

civicrm_entity.admin:
  path: '/admin/structure/civicrm-entity'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'CiviCRM Entity'
  requirements:
    _permission: 'administer civicrm entity'

civicrm_entity.settings:
  path: '/admin/structure/civicrm-entity/settings'
  defaults:
    _form: '\Drupal\civicrm_entity\Form\CivicrmEntitySettings'
    _title: 'Settings'
  requirements:
    _permission: 'administer civicrm entity'